Cited by 20MicroRNA in disease regulationCancer-related molecular mechanisms researchHepatocellular Carcinoma Treatment and Prognosis

MicroRNA-106b-5p promotes hepatocellular carcinoma development via modulating FOG2

Open access
Yu, Ling-xiang, Zhang, Bo-Lun, Yang, Mu-Yi, Liu, Hu, Xiao, Chao-Hui, Zhang, Shao-Geng, Liu, Rong·2019·OncoTargets and Therapy

Abstract

Background: A recent study has revealed that miR-106b-5p might promote hepatocellular carcinoma (HCC) stemness maintenance and metastasis by targeting PTEN via PI3K/Akt pathway based on HCC cell lines and animal models. Its clinical relevance remains unknown. Purpose: Herein, we aimed to evaluate associations of miR-106b-5p dysregulation with various clinicopathological features of HCC patients and investigate its functions during HCC progression. Patients and methods: At first, miR-106b-5p expression in 130 pairs of HCC and adjacent normal liver tissues was detected by quantitative PCR. Chi-square test was then performed to determine clinical significance. Further investigations on its functions were performed by miRNA target prediction and validation, as well as cellular experiments. Results: miR-106b-5p levels in HCC tissues were significantly higher than those in the adjacent normal liver tissues ( P <0.001). High miR-106b-5p expression was significantly associated with advanced tumor stage ( P =0.02) and high tumor grade ( P =0.03). In addition, Friend of GATA 2 (FOG2) was identified as a direct target of miR-106b-5p in HCC cells. Moreover, the clinical relevance to HCC progression of the combined high miR-106b-5p and low FOG2 expression was more significant than high miR-106b-5p alone. Functionally, enforced expression of miR-106b-5p reduced FOG2 expression and promoted the proliferation and invasion of HCC cells. Furthermore, co-transfection of FOG2 restored the oncogenic roles of miR-106b-5p over-expression. Conclusion: Our data offer the convincing evidence that miR-106b-5p upregulation may promote the aggressive progression of HCC. miR-106b-5p overexpression may promote HCC cell proliferation and invasion by suppressing FOG2, implying its potentials as a promising therapeutic target for HCC patients. Keywords: hepatocellular carcinoma, microRNA-106b-5p, friend of GATA 2, tumor progression, prognosis

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Authors
Yu, L.-X., Zhang, B.-L., Yang, M.-Y., Liu, H., Xiao, C.-H., Zhang, S.-G., & Liu, R.
Affiliations
  • 302 Military Hospital of China (CN)
  • Chinese PLA General Hospital (CN)
Corresponding author
Liu, Rong
Venue
OncoTargets and Therapy
Published
2019-07
Volume
Volume 12
Pages
5639-5647
ISSN
1178-6930 (ISSN-L)
OpenAlex
W2960552578
Cited by
20
References
26
Citations by year
2026: 1 · 2025: 2 · 2024: 4 · 2023: 3 · 2022: 3 · 2021: 3 · 2020: 3 · 2019: 1
FWCI
0.79
Type
journal article
Language
en
Open access
Locations
  • OncoTargets and Therapy (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Dove Medical Press (Taylor and Francis Group) (submittedVersion, cc-by-nc)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
  • Health Sciences › Medicine › Hepatology › Hepatocellular Carcinoma Treatment and Prognosis
Keywords
miR-106b-5p, FOG2, hepatocellular carcinoma, microRNA, tumor progression, cell proliferation, tumor invasion, prognostic factors, therapeutic target, tumor stage and grade

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